MESON Chess Problem Database

Problem Display
PID: 3221 (nK1krb2/3pp3/1p5n/4Nb2/8/5Q2/8/8 w - - 0 1)

Gavrilovski, Zoran

4th Place, Source?, 1989

nK1krb2/3pp3/1p5n/4Nb2/8/5Q2/8/8

#2

3 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Sf7#
    • 1...Sf7
      • 2.Sxf7#
    • 1...Sg8
      • 2.Sf7#
  • Tries
    • 1.Qxf5?
      • threat
        • 2.Qxd7#
      • 1...Sxf5
        • 2.Sf7#
      • 1...d5
        • 2.Sc6#
        • 2.Qd7#
        • 2.Qc8#
      • 1...d6
        • 2.Sc6#
        • 2.Qd7#
        • 2.Qc8#
      • 1...e6!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qc8#
      • 1...e6
        • 2.Qxd7#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Sc6#

There are these versions: 136635

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(c);N_GUARD::S(B)
    • S(c);N_GUARD::S(B),XS(c)
  • Tries
    • Try
      • Q(A);XB(a)
      • Threat
        • QAR1(A),XP(d)
      • Vars
        • S(c);N_GUARD,XQ(A)::S(B)
      • Refutation
        • P(e);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(e);S_CUTB(a)::QAR1(A),XP(d)
      • P(d);N_GUARD::S(B)
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